Newsom's decision makes Jerry Brown virtual lock for Dem nod
                                
                                
                                    (Newser) -
                                    Citing his responsibilities as San Francisco mayor and as a new father, Democrat Gavin Newsom withdrew today from the race to succeed Arnold Schwarzenegger as California governor. Despite the heavyweight endorsement of Bill Clinton, Newsom has had trouble raising money; his departure leaves state attorney general, and former governor, Jerry...